Nelson; Norman A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nelson; Norman A..The latest application filed is for "subsea well completion system and method of operation".
- Nelson; Norman A. - Houston TX
- Nelson; Norman A. - Galesburg MI
- Nelson; Norman A. - Galesburgh MI
| Patent | Date |
|---|---|
| Subsea well completion system and method of operation Grant 4,958,686 - Putch September 25, 1 | 1990-09-25 |
| Well suspension assembly Grant 4,773,477 - Putch September 27, 1 | 1988-09-27 |
| Valve assembly, seat and seal Grant 4,625,942 - Nelson December 2, 1 | 1986-12-02 |
| Wellhead connector Grant 4,526,406 - Nelson July 2, 1 | 1985-07-02 |
| Lockdown mechanism for wellhead connector Grant 4,453,745 - Nelson June 12, 1 | 1984-06-12 |
| Well casing hanger assembly Grant 4,373,752 - Nelson February 15, 1 | 1983-02-15 |
| Blowout preventer having a variable ram seal Grant 4,332,367 - Nelson June 1, 1 | 1982-06-01 |
| Inter-phenylene CBA compounds Grant 4,306,076 - Nelson December 15, 1 | 1981-12-15 |
| Recockable well hanger Grant 4,232,889 - Putch November 11, 1 | 1980-11-11 |
| System for connecting an underwater platform to an underwater floor Grant 4,216,835 - Nelson August 12, 1 | 1980-08-12 |
| 4,5,6-Trinor-3,7,-inter-m-phenylene prostaglandin A.sub.1 analogs Grant 4,175,202 - Nelson November 20, 1 | 1979-11-20 |
| 15-Epi-15-methyl-16-phenoxy-PGE compounds Grant 4,154,950 - Nelson May 15, 1 | 1979-05-15 |
| 15-Methyl- and 16-phenoxy-PGF.sub.2 .alpha., amides Grant 4,128,577 - Nelson December 5, 1 | 1978-12-05 |
| Certain 5,6-dihydra-prostacyclin analogs Grant 4,125,713 - Nelson November 14, 1 | 1978-11-14 |
| 2-Decarboxy-2-carboxyamino-methyl-PGF.alpha. compounds Grant 4,122,282 - Nelson October 24, 1 | 1978-10-24 |
| 16-Phenoxy prostaglandin F.sub.1.alpha. analogs Grant 4,116,989 - Nelson September 26, 1 | 1978-09-26 |
| 2-Decarboxy-2-hydroxymethyl-.omega.-phenoxy-PGD analogs Grant 4,111,995 - Nelson September 5, 1 | 1978-09-05 |
| 2-Decarboxy-2-hydroxy-methyl-5-oxa-17-phenyl-18,19,20-trinor-PGF-analogs Grant 4,055,602 - Nelson October 25, 1 | 1977-10-25 |
| Valve and actuator assembly Grant RE29,322 - Nelson July 26, 1 | 1977-07-26 |
| Locking assembly and a seal assembly for a well Grant 3,972,546 - Putch August 3, 1 | 1976-08-03 |
| Modular underwater well platform system Grant 3,934,658 - Nelson January 27, 1 | 1976-01-27 |
| Well suspension system Grant 3,918,747 - Putch November 11, 1 | 1975-11-11 |
| Well casing hanger assembly Grant 3,893,717 - Nelson July 8, 1 | 1975-07-08 |
| Downhole safety ball valve Grant 3,886,967 - Nelson June 3, 1 | 1975-06-03 |
| Valve And Actuator Assembly Grant 3,765,642 - Nelson October 16, 1 | 1973-10-16 |
| Organic Compounds And Processes Grant 3,741,990 - Nelson June 26, 1 | 1973-06-26 |
| Method Of Reducing Hypercholesteremia In Humans Employing A Copolymer Of Polyethylenepolyamine And A Bifunctional Substance, Such As Epichlorohydria Grant 3,692,895 - Nelson , et al. September 19, 1 | 1972-09-19 |
| Subsea Wellhead Control System Grant 3,640,299 - Nelson February 8, 1 | 1972-02-08 |
| Low Profile Protective Enclosure For Wellhead Apparatus Grant 3,592,263 - Nelson July 13, 1 | 1971-07-13 |
| Hydraulic Valve Operator Having Manual Override Mechanism Grant 3,570,804 - Nelson , et al. March 16, 1 | 1971-03-16 |
| Valve Stem Packing And Bearing Assembly Grant 3,567,178 - Nelson March 2, 1 | 1971-03-02 |
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